This unusual lava tube spouts seawater during high surf.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The famous aviator's final resting place is a study in natural beauty.

This ancient Hawaiian henge may have been an early star chart.

A controversial memorial at the place where Captain Cook met his violent end.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Watch the newest land on the planet form before your eyes.

What remains of the summer palace of King Kamehameha III.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Race through the maze, get your name on the sign.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This black shoreline is made up of exploded lava particles.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The rogue roots are gradually consuming some of the historic marble grave markers.

Need a hardcopy of the 50-title Code of Federal Regulations? This is the place.

Washington's iconic carousel has a nice piece of Civil Rights history.